This is one of Amazon's "mini-movies," and, as such, it serves as an advertisement for the site, which seems to have upset some punters, but not me, since I quite enjoy adverts, especially ones as well made as this one. "Careful" has a nice little moral, and it features good work by all of the actors, notably Raymond O'Connor as a sleazy pawn shop owner, and Geoffrey Gould & Patty Lotz acquit themselves nicely as a long-married couple who still are enough in love to make out ( ! ) I checked www.IMDb.com for some information on one of the writers, Greg Hahn, and he has also worked on the BMW adverts ("The Hire"), which were also very effective pieces of marketing; I'd be curious to see what he could do working on a full feature.